Deprecate PDP-Vanilla build steps in release workflow (#295)

* Deprecate PDP-Vanilla build steps in release workflow

* Deprecate PDP-Vanilla build steps in release workflow

Author: danyi1212

.github/workflows/release.yml

@@ -14,54 +14,6 @@ jobs:
     uses: ./.github/workflows/tests.yml
     secrets: inherit
 
-  build-and-push-pdp-vanilla:
-    needs: pdp-tests
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout code
-      uses: actions/checkout@v4
-
-    - name: Set up QEMU
-      uses: docker/setup-qemu-action@v3
-
-    - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v3
-
-    - name: Login to Docker Hub
-      uses: docker/login-action@v3
-      with:
-        username: ${{ secrets.DOCKERHUB_USERNAME }}
-        password: ${{ secrets.DOCKERHUB_TOKEN }}
-
-    - name: Pre build - for PDP-Vanilla
-      run: echo "${{ github.event.release.tag_name }}" | cut -d '-' -f 1 > permit_pdp_version
-
-    - name: Build and push PDP-Vanilla - (official release)
-      if: "!github.event.release.prerelease"
-      uses: docker/build-push-action@v5
-      with:
-        push: true
-        context: .
-        platforms: linux/amd64,linux/arm64
-        tags: permitio/pdp-v2-vanilla:${{ github.event.release.tag_name }}, permitio/pdp-v2-vanilla:latest
-        cache-from: type=gha
-        cache-to: type=gha,mode=max
-        build-args: |
-          OPA_BUILD=vanilla
-
-    - name: Build and push PDP-Vanilla image - (pre-release)
-      if: "github.event.release.prerelease"
-      uses: docker/build-push-action@v5
-      with:
-        push: true
-        context: .
-        platforms: linux/amd64,linux/arm64
-        tags: permitio/pdp-v2-vanilla:${{ github.event.release.tag_name }}
-        cache-from: type=gha
-        cache-to: type=gha,mode=max
-        build-args: |
-          OPA_BUILD=vanilla
-
   build-and-push-pdp:
     needs: pdp-tests
     runs-on: ubuntu-latest